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221010120201 = 31347120572897
BaseRepresentation
bin1100110111010100111…
…0101100111000001001
3210010110120112101011110
43031311032230320021
512110112042321301
6245310341520533
721652560011523
oct3156516547011
9703416471143
10221010120201
11858034a6502
12369bba13149
1317ac2068470
14a9a85caa13
155b37c200d6
hex33753ace09

221010120201 has 16 divisors (see below), whose sum is σ = 324099949824. Its totient is φ = 133112477184.

The previous prime is 221010120169. The next prime is 221010120259. The reversal of 221010120201 is 102021010122.

It is not a de Polignac number, because 221010120201 - 25 = 221010120169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221010120271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60284616 + ... + 60288281.

It is an arithmetic number, because the mean of its divisors is an integer number (20256246864).

Almost surely, 2221010120201 is an apocalyptic number.

It is an amenable number.

221010120201 is a deficient number, since it is larger than the sum of its proper divisors (103089829623).

221010120201 is a wasteful number, since it uses less digits than its factorization.

221010120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120572960.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221010120201 its reverse (102021010122), we get a palindrome (323031130323).

The spelling of 221010120201 in words is "two hundred twenty-one billion, ten million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 13 39 47 141 611 1833 120572897 361718691 1567447661 4702342983 5666926159 17000778477 73670040067 221010120201